Bit size | Shank type | Recommended DTH bits diameter |
3.5”/3” DTH hammer bits | COP34, DHD3.5, MISSION30, BR3 shank | 90mm~ 105mm |
4” DTH hammer bits | DHD340, QL40, MISSION40, SD4 shank | 110mm~ 130mm |
5” DTH hammer bits | DHD350, QL50, MISSION50, SD5 shank | 134mm~ 152mm |
6” DTH hammer bits | DHD360, QL60, MISSION60, SD6 shank | 152mm~ 203mm |
8” DTH hammer bits | DHD380, QL80, MISSION80, SD8 shank | 203mm~ 305mm |
12” DTH hammer bits | DHD112, SD12 and QL120 shank. | Available upon to customers’ request |